Finding the Fourth Proportional to 16,369,628.40, 24,554,442.60 and 12,755,829.60
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Solution
The fourth proportional to 16,369,628.40, 24,554,442.60 and 12,755,829.60 is: 19,133,744.40
Step by Step Solution
- Step 1: Write the proportion equation
16,369,628.40 : 24,554,442.60 = 12,755,829.60 : x - Step 2: Convert to fraction form
16,369,628.40/24,554,442.60 = 12,755,829.60/x - Step 3: Cross multiply
16,369,628.40x = 24,554,442.60 × 12,755,829.60 - Step 4: Simplify right side
16,369,628.40x = 313,212,285,728,581 - Step 5: Solve for x
x = 313,212,285,728,581/16,369,628.40 - Step 6: Final answer
x = 19,133,744.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.